a law enforcement officer roving, have a law enforcement officer at the departure gang way and those kinds of things. >> because mike, in that initial entrance to the airport, whether it's in the united states or overseas, you do sometimes see even heavily armed security personnel wondering around, but there is not -- there's not that many layers you can put before you get to that screening. >> no, but there is a lot you don't also see involved in aviation security. i was with delta airlines after law enforcement. i was general manager of delta airlines during 9/11. since 9/11 there are more layers of security from that front door, even when you just enter the grounds of the airport, on the roads leading up to the airports, anderson, that people don't see. there is surveillance cameras, there are people -- there are law enforcement officers and tsa folks in plain clothes also armed. there is a lot of layers you don't see but i'm sure they will look at this because it still is troubling that this gunman was able to get to the gate, and if, you know, there had been a plane at a particu